Shikaku


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Shikaku (also known as Rectangles) is a logic puzzle with simple rules and challenging solutions.

The rules are simple. You have to divide the grid into rectangular and square pieces such that each piece contains exactly one number, and that number represents the area of the rectangle.

Click and drag to draw a rectangle. To remove lines use the right mouse button or hold the Ctrl or the Shift key.

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Shikaku


5x5 Shikaku | 7x7 Shikaku | 10x10 Shikaku | 15x15 Shikaku | 20x20 Shikaku | 25x25 Shikaku

This Month
1. DJdeMaster
24
00:06.34
2. puzzleist
63
00:07.10
3. John9439
84
00:07.22
4. Terriama
50
00:07.24
5. thelegendary08
21
00:07.35
6. qobi
185
00:08.66
7. gh
37
00:09.13
8. apeed 00:09.73
9. Goubtless
76
00:09.86
10. PheromoneJones 00:10.32
11. GeorgPfleger
75
00:11.59
12. Javrem 00:12.57
13. jorah
81
00:13.08
14. tantanaaa
43
00:13.56
15. sqrteipi_
3
00:14.05
16. pwinn
33
00:15.36
17. myroyle 00:17.16
18. TXXHMMTBF4869 00:17.79
19. uouobb
31
00:18.67
20. ZSsst
18
00:20.83
This Week
1. thelegendary08
21
00:07.44
2. qobi
185
00:08.66
3. gh
37
00:09.26
4. Goubtless
76
00:09.86
5. GeorgPfleger
75
00:11.59
6. memiusz
54
00:23.91
7. Flo.123
7
00:24.07
8. NonogramLover 00:24.46
9. grimmgirlfandom
47
00:26.90
10. 0mega
144
00:31.04
11. prpkop 00:33.06
12. moumoumou 00:42.55
13. TahirEren37 00:44.66
14. uouobb
31
00:46.06
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20.--- empty -----:--
Today
1. gh
37
00:10.22
2.--- empty -----:--
3.--- empty -----:--
4.--- empty -----:--
5.--- empty -----:--
6.--- empty -----:--
7.--- empty -----:--
8.--- empty -----:--
9.--- empty -----:--
10.--- empty -----:--
11.--- empty -----:--
12.--- empty -----:--
13.--- empty -----:--
14.--- empty -----:--
15.--- empty -----:--
16.--- empty -----:--
17.--- empty -----:--
18.--- empty -----:--
19.--- empty -----:--
20.--- empty -----:--
MO3
1. zahhydude1
93
00:03.68
2. vowels
202
00:03.92
3. demian2
61
00:04.66
4. BingBongBob
107
00:05.15
5. nabi
92
00:05.27
6. mtanzer
140
00:05.34
7. bearn
194
00:05.38
8. Vicell
9
00:05.55
9. coolcoolguy65
108
00:05.61
10. numbrr
221
00:05.72
AO5
1. zahhydude1
93
00:04.18
2. vowels
202
00:04.32
3. demian2
61
00:04.92
4. BingBongBob
107
00:05.39
5. nabi
92
00:05.41
6. bearn
194
00:05.55
7. Vicell
9
00:06.12
8. numbrr
221
00:06.22
9. mtanzer
140
00:06.28
10. qqwref
259
00:06.46
AO12
1. zahhydude1
93
00:04.69
2. vowels
202
00:04.92
3. BingBongBob
107
00:05.84
4. demian2
61
00:06.31
5. bearn
194
00:06.41
6. nabi
92
00:06.91
7. Vicell
9
00:07.26
8. sfumato
164
00:07.41
9. qqwref
259
00:07.49
10. mtanzer
140
00:07.81
Robots / programmatic solversinfo  
1.tlstyer
1328
00:00.009
2.Charlie Li
61
00:00.707
3.--- empty -----:--

* MO3 - Mean of 3. The average of 3 consecutive times.
AO5 - Average of 5. The average of 5 consecutive times ignoring the highest and the lowest.
AO12 - Average of 12. The average of 12 consecutive times ignoring the highest and the lowest.
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2024-03-02 05:27:52

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